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Low temperature vs opening the broodnest

According to Michael Bush's <<calendar>> of early blooming trees, now is the time in my place to start with opening the broodnest. But to do so, I must check all the frames in the nest , pulling frames out etc. The temperature is still low, day 10 C , night 3-4 C. How do you manage this?

Re: Low temperature vs opening the broodnest

Hi Drakos,

I would "Open the sides" of the broodnest. That is placing an undrawn frame between the outside edge of the broodnest and a frame of stores (or the edge of the box). Done every 2-3 weeks. You can also do both sides at once after a couple of frames have been drawn.

Re: Low temperature vs opening the broodnest

Hi Matthew

I am going to try your idea but need some advice.
The new frames are totaly empty, or with foundation?
If I use drawn frames , that changes thing for worsh or for better?
I want to expand the population as soon as possible, for an early flow I have. Will it help or is Just for swarm prevention?

Re: Low temperature vs opening the broodnest

I used new foundationless frames, so I am wanting to know if it works as well using frames of foundation.

Using empty drawn comb would definitely work in helping to expand, as the bees don't need to use up nectar to make wax. You may find that they just move the stores closer to the broodnest though. I'd be interested to know what they do.

Re: Low temperature vs opening the broodnest

Thank you Mr Bush.
According to last year's primary swarm season date (14 of April-25 of May), and supposing that will be the same this year, when would be the proper time to start opening the brood nest?